PortraitMode.io vs Gx FoCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PortraitMode.io
A photo-sharing platform for street photographers to showcase their work, connect with peers, and receive feedback. It features a chronological timeline and lossless compression to preserve image quality without cropping.
- Photo-sharing platform
- Street photography focus
- Chronological timeline
- Lossless compression
- Community feedback
- No video content
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PortraitMode is a photo-sharing platform specifically designed for street photographers. No videos, no algorithms, just photos. With PortraitMode, we created a space for you to share your work, connect with other like-minded photographers from the community and collect feedback. In short, PortraitMode is the space your photos deserve. All photos on PortraitMode are displayed in a chronological timeline, and will never crop your images. We use lossless compression to keep your photos look exactly as you had intended. With its focus on high-quality, high-resolution street photography, PortraitMode is a must-have for street-photographers of all levels. Join us and be a part of an amazing community of artists who share their passion for capturing the world around them. Thank you for publishing on PortraitMode. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://portraitmode.io/privacy-policy/
Gx FoCalc
Easily calculate the 35mm equivalent focal length and apparent aperture for various camera sensor sizes and lens configurations. Input your focal length, aperture, and any focal reducers or teleconverters to see the full-frame equivalent.
- 35mm crop factor calculation
- Equivalent focal length
- Apparent aperture calculation
- Supports focal reducers
- Supports teleconverters
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FoCalc by [Gx]Ace Is the internet's best 35mm Crop Factor Calculator. Ever wonder what the 35mm equivalent of a 23mm f2 on APS-C would be? Ever wonder what that 120mm f8 8x10 lens would be if it were put in 35mm terms? Well now you can know it all with FoCalc! FoCalc allows you to input a focal length and aperture as well as a focal reducer or teleconverter and automatically calculates the equivalent focal length and apparent aperture on 35mm Full Frame.
Screenshots
Verdict
The clearest difference is review sentiment: Gx FoCalc at 100% against PortraitMode.io's 57%. Gx FoCalc also leads on rating (4.9 vs 4.1) and update cadence (daily vs every 2 weeks). PortraitMode.io's advantage is iOS requirement (15.6 vs 17.5). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Gx FoCalc holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 57% of PortraitMode.io's written reviews are positive against 100% of Gx FoCalc's.
PortraitMode.io ships an update every 2 weeks, Gx FoCalc daily. Both last shipped on October 24, 2026.
| Parameter | PortraitMode.io | Gx FoCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (8 ratings) | 4.9 (7 ratings) — better |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 7 |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.5 |
| Further details — not scored | ||
| Size | 58 MB | 0 MB |
| Age rating | 17+ | 4+ |
| Developer | MapSteps UG | Casey Cavanaugh |
Customer experience
PortraitMode.io
Gx FoCalc
In-app purchases
PortraitMode.io
No in-app purchases
Gx FoCalc
No in-app purchases









